from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An explosive mailed in an envelope rigged to cause detonation upon being opened.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An explosive device sent through the post, triggered to explode when the letter or packet is opened.
  • n. A virus contained within an email or similar file.

from the GNU version of the Collaborative International Dictionary of English

  • n. A bomb disguised as a letter and sent through the mail, usually rigged to explode and kill or harm the recipient when opened.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • v. send an explosive to
  • n. a thin explosive device inside an envelope or package and detonated when opened


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